first use onother version
SM2258XT_SSV2-TLC_PKGT0506A_FWT0506A0_Beta

reball the chip

your nand is 3d version 2,each ce is=16gb
if you see 16ce then yes=256gb
[SIZE]
E6=8
73=16
75=32
66=64
76=64
79=128
F1=128
01=128
DA=256
CA=256
DC=512
CC=512
29=512
D3=1024
38=1024
24=2048
48=2048
D5=2048
C5=2048
28=4096
D7=4096
68=4096
C7=4096
E7=4096
44=4096
88=8192
D9=8192
DE=8192
CE=8192
EE=8192
64=8192
AE=8192
50=8192
4A=16384
A8=16384
84=16384
3A=16384
5A=16384
4C=16384
1A=16384
2D=8192
4D=8192
6D=16384
78=4096
98=8192
3C=32768
3D=32768
C8=32768
A4=32768
4E=32768
B4=49152
1C=32768
5C=32768
1E=65536
C4=65536
3E=65536
C3=65536
5E=65536
7E=65536
D4=131072
89=131072

K9OKGY8S7C SSV2 TLC (ec,1a,88,1f,70,c8)

DEAR ADITYA

www.usbdev.ru/?wpfb_dl=13324
SMI MPTool SM2258XT(AD) SSV2-TLC V0329A FWV0226A0

SMI MPTool SM2258XT(AD) SNK-BiCS4 U0114A FWU0104A0
www.usbdev.ru/?wpfb_dl=13247

BICS4 SANDISK

BEFORE CONNECT PIN 29+30NAND MUST BE SHORTED

xfjportal.com/wp-content/uploads/2021/04/SM2258XTAD_HY3D-V4_PKGU0105A_FWT1130A0.rar

DEAR Ghillo AD,,,90 90=3D VERSION 4
SM2258XTAD_HY3D-V4_PKGU0105A_FWT1130A0

plase give picture pcb .front and back picture

may be .5 volt fuse is bad ,also dp,dm fuse
or 3020 ic .??
first take picture

Hynix,1Tbit,H27Q1T8QEM6R-BCF=AD,3C,19,A3,62,25 hy 16nm 2d flash 2016
here
SM2258XT_HY16_PKGT1111A_FWS0411A.7z
drive.google.com/file/d/1BBxgvKdwBZjqFYtj3EPryY0bYnL200ZR/view?usp=sharing

1100 is smi .use Star_SM3281series_U0428

fw07v50150. for b95 tlc micron .and hynix tlc

before mp .use uptools 2093 or 2094 .and erase all block

and in final for burner BN07V502TAW.BIN

drive.google.com/file/d/1vdDr7FvmFxVZ-w1UwunLaFmzz05rDoNz/view?usp=sharing

first of all .use upptool .go setting .enable clean button
then erase cliick .uptool ask you to keep ib .you say «no»

mpall if see any uptool scan «dont start „mpall for standard nand. if you try uptool
or sttool .mpall dont work
1-erase all data

2-i give you firmware .use mpall 5.3.b to firemware it

we have not tool for this sss
after 2012, no one have new mptool
sorry

SM2258XT(AD)_SSV4-TLC_PKGU0105A_FWT0910A0\FlashDB\2258\FLASH.SET
OPEN AS TEXT

IF YOU DONT UNDRSTAND bit ,BYTE ,NAND ID ,NAND CE .NAND CHANNEL
PLASE DONT DO IT

ohhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

MAN =1tb=1TRA BITE " 128gb" EACH CE
1TB=1 TRABYTE

IN SIZE SNALL «b»- bite BIG«B» IS BYTE

IN SSD 512/4 =128GB
THIS MEAN YOU SSD IS 4CE 124GB

BEFORE COMMENT THINK